<template>
    <el-image
            :src="`${realSrc}`"
            fit="cover"
            :style="`width:${realWidth};height:${realHeight};`"
            :preview-src-list="realSrcList"
            append-to-body="true"
    >
        <template #error>
            <div class="image-slot">
                <el-icon>
                    <picture-filled/>
                </el-icon>
            </div>
        </template>
    </el-image>
</template>

<script setup>
import {isExternal} from '@/utils/validate';

const props = defineProps({
    src: {
        type: String,
        required: true,
    },
    width: {
        type: [Number, String],
        default: '',
    },
    height: {
        type: [Number, String],
        default: '',
    },
});

const realSrc = computed(() => {
    const real_src = props.src.split(',')[0];
    if (isExternal(real_src)) {
        return real_src;
    }
    return import.meta.env.VITE_APP_BASE_API + real_src;
});

const realSrcList = computed(() => {
    const real_src_list = props.src.split(',');
    const srcList = [];
    real_src_list.forEach((item) => {
        if (isExternal(item)) {
            return srcList.push(item);
        }
        return srcList.push(import.meta.env.VITE_APP_BASE_API + item);
    });
    return srcList;
});

const realWidth = computed(() => (typeof props.width === 'string' ? props.width : `${props.width}px`));

const realHeight = computed(() => (typeof props.height === 'string' ? props.height : `${props.height}px`));
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #ebeef5;
  box-shadow: 0 0 5px 1px #ccc;

  :deep(.el-image__inner) {
    transition: all 0.3s;
    cursor: pointer;

    &:hover {
      transform: scale(1.2);
    }
  }

  :deep(.image-slot) {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
